﻿using System;

/* Copyright (c) 2010 CBaxter
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), 
 * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 
 * IN THE SOFTWARE. 
 */

namespace Xpedite.Resources
{
  internal interface IResourceContainer
  {
    ResourceType ResourceType { get; }
    IResource Resource { get; }
    IResourceUrl ResourceUrl { get; }
  }

  internal class ResourceContainer : IResourceContainer
  {
    private readonly AsynchronousCallWrapper<IResource> _resourceLoader;
    private readonly ResourceType _resourceType;
    private readonly IResourceUrl _resourceUrl;

    public IResourceUrl ResourceUrl { get { return _resourceUrl; } }
    public ResourceType ResourceType { get { return _resourceType; } }
    public IResource Resource { get { return _resourceLoader.Result; } }

    public ResourceContainer(ResourceType resourceType, IResourceUrl resourceUrl, Func<IResource> resourceBuilder)
    {
      Verify.NotNull(resourceUrl, "resourceUrl");

      _resourceUrl = resourceUrl;
      _resourceType = resourceType;
      _resourceLoader = new AsynchronousCallWrapper<IResource>(resourceBuilder);
    }
  }
}
